The error indicates that the PDF_Reference attribute is expecting a file path with a .pdf extension. Ensuring that the attribute value ends with .pdf should resolve that specific schema error.
If you haven't already, you can also run your features through the XMLValidator transformer to catch schema mismatch issues early in your workspace workflow.
If you're still stuck, would you be open to sharing your workspace as an FME Workspace Template (.fmwt) file? Including sample data makes it much easier for the community to help troubleshoot!
Screenshots of your workspace also work if you can’t really share that FMWT!
I would like all my “Relation” (this time 4 relations (see xml) to be connected to my “item” in TeamCenter. The item name in TeamCenter is: [Item] Breakdown Element Identifier 5511_2111 In other words I would like to change the itemId="T1000000711" (see xml) into 5511_2111. So all of my 4 “Relation” will be connected to “5511_2111” in TeamCenter.